APA aipamena

Laevastu, T., & Hela, I. (1970). Fisheries oceanography. Fishing News Books.

Chicago Style aipamena

Laevastu, Taivo, and Ilmo Hela. Fisheries Oceanography. London: Fishing News Books, 1970.

MLA aipamena

Laevastu, Taivo, and Ilmo Hela. Fisheries Oceanography. Fishing News Books, 1970.